package com.kuang.diy;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;

/**
 * @Author chenyeqing
 * @Date 2021/2/16 20:41
 */
@Aspect
public class AnnotationPointCut {
    @Before("execution(* com.kuang.service.impl.UserServiceImpl.*(..))")
    public void before() {
        System.out.println("=====方法执行前=====");
    }

    @After("execution(* com.kuang.service.impl.UserServiceImpl.*(..))")
    public void after() {
        System.out.println("=====方法执行后=====");
    }

    /**
     * 在环绕增强中，我们可以给定一个参数，代表我们要获取处理切入的点
     */
    @Around("execution(* com.kuang.service.impl.UserServiceImpl.*(..))")
    public void around(ProceedingJoinPoint joinPoint) throws Throwable {
        System.out.println("环绕前");

        // 执行方法
        Object proceed = joinPoint.proceed();

        Signature signature = joinPoint.getSignature();

        System.out.println(signature + "环绕后");
    }

}
